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						<h1>Source for file modifier.truncate_cn.php</h1>
<p>Documentation is available at <a href="../Templates/Smarty_plugins/_library---templates---smarty---plugins---modifier.truncate_cn.php.html">modifier.truncate_cn.php</a></p>
<div class="src-code">
<div class="src-code"><ol><li><div class="src-line"><a name="a1"></a><span class="src-php">&lt;?php</span></div></li>
<li><div class="src-line"><a name="a2"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-doc">&nbsp;*&nbsp;Smarty&nbsp;plugin</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;Templates</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@subpackage</span><span class="src-doc">&nbsp;Smarty_plugins</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a7"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a8"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-doc">&nbsp;*&nbsp;Smarty&nbsp;truncate&nbsp;modifier&nbsp;plugin</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-doc">&nbsp;*&nbsp;Type:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;modifier&lt;br&gt;</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-doc">&nbsp;*&nbsp;Name:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;truncate&lt;br&gt;</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-doc">&nbsp;*&nbsp;Purpose:&nbsp;&nbsp;Truncate&nbsp;a&nbsp;string&nbsp;to&nbsp;a&nbsp;certain&nbsp;length&nbsp;if&nbsp;necessary,</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;optionally&nbsp;splitting&nbsp;in&nbsp;the&nbsp;middle&nbsp;of&nbsp;a&nbsp;word,&nbsp;and</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;appending&nbsp;the&nbsp;$etc&nbsp;string&nbsp;or&nbsp;inserting&nbsp;$etc&nbsp;into&nbsp;the&nbsp;middle.</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@link</span><span class="src-doc">&nbsp;http://smarty.php.net/manual/en/language.modifier.truncate.php</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;truncate&nbsp;(Smarty&nbsp;online&nbsp;manual)</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;&nbsp;&nbsp;Monte&nbsp;Ohrt&nbsp;&lt;monte&nbsp;at&nbsp;ohrt&nbsp;dot&nbsp;com&gt;</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a23"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span></div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span></div></li>
<li><div class="src-line"><a name="a25"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a26"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-key">function&nbsp;</span><a href="../Templates/Smarty_plugins/_library---templates---smarty---plugins---modifier.truncate_cn.php.html#functionsmarty_modifier_truncate_cn">smarty_modifier_truncate_cn</a><span class="src-sym">(</span><span class="src-var">$string</span><span class="src-sym">,&nbsp;</span><span class="src-var">$length&nbsp;</span>=&nbsp;<span class="src-num">80</span><span class="src-sym">,&nbsp;</span><span class="src-var">$etc&nbsp;</span>=&nbsp;<span class="src-str">'...'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$code&nbsp;</span>=&nbsp;<span class="src-str">'UTF-8'</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a29"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$length&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a30"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a31"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$code&nbsp;</span>==&nbsp;<span class="src-str">'UTF-8'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a32"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$pa&nbsp;</span>=&nbsp;<span class="src-str">&quot;/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/&quot;</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a33"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a34"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a35"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$pa&nbsp;</span>=&nbsp;<span class="src-str">&quot;/[\x01-\x7f]|[\xa1-\xff][\xa1-\xff]/&quot;</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a36"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a37"></a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="http://www.php.net/preg_match_all">preg_match_all</a><span class="src-sym">(</span><span class="src-var">$pa</span><span class="src-sym">,&nbsp;</span><span class="src-var">$string</span><span class="src-sym">,&nbsp;</span><span class="src-var">$t_string</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a38"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a39"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$curentLength</span>=<span class="src-num">0</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="src-comm">//用于计算真正的字符长度</span></div></li>
<li><div class="src-line"><a name="a40"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a41"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$arrayPoint</span>=<span class="src-num">0</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="src-comm">//如过长时，以该坐标为截取长度</span></div></li>
<li><div class="src-line"><a name="a42"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a43"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$arrayLength&nbsp;</span>=&nbsp;<a href="http://www.php.net/count">count</a><span class="src-sym">(</span><span class="src-var">$t_string</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a44"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a45"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$arrayPoint</span>=<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-sym">(</span><span class="src-var">$arrayPoint</span>&lt;<span class="src-var">$arrayLength</span><span class="src-sym">)&nbsp;</span>&amp;&amp;&nbsp;<span class="src-sym">(</span><span class="src-var">$curentLength</span>&lt;<span class="src-var">$length</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;</span><span class="src-var">$arrayPoint</span>++&nbsp;<span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a46"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a47"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><a href="http://www.php.net/strlen">strlen</a>&nbsp;<span class="src-sym">(</span><span class="src-var">$t_string</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-var">$arrayPoint</span><span class="src-sym">]</span><span class="src-sym">)</span>&gt;<span class="src-num">1&nbsp;</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a48"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a49"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$curentLength</span>+=<span class="src-num">2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a50"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a51"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">else</span></div></li>
<li><div class="src-line"><a name="a52"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a53"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$curentLength</span>++<span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a54"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a55"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a56"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a57"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$arrayLength&nbsp;</span>&gt;&nbsp;<span class="src-var">$arrayPoint</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a58"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a59"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><a href="http://www.php.net/join">join</a><span class="src-sym">(</span><span class="src-str">''</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/array_slice">array_slice</a><span class="src-sym">(</span><span class="src-var">$t_string</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-sym">(</span><span class="src-var">$arrayPoint</span>-<span class="src-num">1</span><span class="src-sym">)&nbsp;)&nbsp;)&nbsp;</span>.&nbsp;<span class="src-var">$etc</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a60"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a61"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a62"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><a href="http://www.php.net/join">join</a><span class="src-sym">(</span><span class="src-str">''</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/array_slice">array_slice</a><span class="src-sym">(</span><span class="src-var">$t_string</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$arrayLength</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a63"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a64"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a65"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a66"></a><span class="src-comm">/*&nbsp;vim:&nbsp;set&nbsp;expandtab:&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a67"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a68"></a><span class="src-php">?&gt;</span></div></li>
</ol></div>
</div>
	<p class="notes" id="credit">
		Documentation generated on Tue, 02 Mar 2010 07:47:11 +0000 by <a href="http://www.phpdoc.org" target="_blank">phpDocumentor 1.4.1</a>
	</p>
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